After being struck by lightning, CSI investigator Barry Allen awakens from a nine-month coma to discover he has been granted the gift of super speed. Teaming up with S.T.A.R. Labs, Barry takes on the persona of The Flash, the Fastest Man Alive, to protect his city.

Despite their opposing personalities, a talented but directionless P.I. who is the black sheep of his family begrudgingly agrees to work as the in-house investigator for his overbearing mother, a successful attorney reeling from the recent dissolution of her marriage.